====== Backup ======

Backup may be used to save files and settings in Tinycore.

==== Time taken to Start Up and Shut Down ====

The more you have in backup, the longer it will take to start up and shut down Tinycore.

For quicker start up and shut down, minimize the size of backup, or if installed on a hard drive, don't use backup at all.

==== Select What is Saved During Backup ====

The file /opt/.filetool.lst contains a list of files and directories saved during backup. The file /opt/.xfiletool.lst contains a list of files and directories within those in /opt/.filetool.lst excluded from being saved during backup.

You can add the names of files and directories to, or remove the names of files and directories from, /opt/.filetool.lst and /opt/.xfiletool.lst to determine what is saved during backup.

To edit /opt/.filetool.lst or /opt/.xfiletool.lst use a Root Text Editor. Open the terminal and type

<code>sudo editor</code>

Include the directories relative to the root directory, and leave out the leading /.

==== Safe Backup ====

When shutting down Tinycore, you may select Safe Backup. This saves the previous backup as mydatabk.tgz, and creates a new backup.

To save additional backup files, see

  * [[backup date|Backup with Date and Time]]

==== Change the Name of the Backup File ====

By default, files are backed up in a file called mydata.tgz.

If you are using version 3.6 or higher, you can change the name of the backup file.

To change the name of the backup file, include "mydata=other-name" boot code in the bootloader.

==== If you don't want to use Backup ====

If you don't want to use backup, include the "norestore" boot option in the bootloader.

==== When using Persistent /home and /opt ====

When using persistent home and opt you may choose not to use backup at all, by including the “norestore” boot option in the bootloader. 

If you do use backup, all references to the home and opt directories can be removed from /opt/.filetool.lst. In the version I am using, that is everything. Then add the names of other files and directories you want in backup to /opt/.filetool.lst.

==== Other Ways to save Files and Settings ====

Files and settings may also be saved by:

1. Making extensions for settings. For more information, see [[extension_for_settings|Make Extensions for Settings]].

2. Saving in /opt. For an example of this, see [[passwd|Tinycore Passwords]].

==== Exclude Anything Unnecessary from Backup ====

Exclude anything unnecessary from backup. Following are examples.

==== Files which Don't Change ====

You may make extensions for files which don't change, particularly large ones, and exclude them from backup.

To list large files in /home/tc, open the terminal and use

<code>/home/tc/ -type f -size +1M | xargs ls -lhS</code>

For more information, see [[extension_for_settings|Make Extensions for Settings]].

==== Internet Browser Cache ====

Most Internet browsers save cache in /home/tc. If this is included in backup, it may take a long time. You may want to exclude Internet browser cache from backup.

==== Xfe and Backup ====
If you use Xfe file manager, it saves files and directories you delete in trash. If you backup /home/tc, this is included in backup. The more you delete, the longer backup takes. To avoid this, add the following line to /opt/.xfiletool.lst.

<code>home/tc/.xfe</code>

You may also edit the preferences in Xfe, to permanently delete files instead of adding them to trash. To do this, go to Edit, then Preferences. Click the square preceeding "Include a command to bypass the trash can (permanent delete)," to tick it. Then click "Accept."

==== Extract a Backup File ====

You normally access a backup by starting the computer, and restoring it.

Backup files can also be extracted manually.

Backup files are normally saved in the tce directory (somewhere like /mnt/sda1/tce).

To access the contents of a backup, create a new directory and copy the backup file to it. Open the terminal and type

<code>cd directory
tar -xvf backup-name</code>

==== Using Commands ====

To run backup, open the terminal and use

<code>filetool.sh -b</code>

To restore files in backup, use

<code>filetool.sh -r</code>

To list files that will be in backup and their size, use

<code>filetool.sh -d</code>

To find out where backup is saved, use

<code>cat /opt/.backup_device</code>

Also see

  * [[backup_hd|Options when Installed on a Hard Drive]]

  * [[backup_usb|Options when Installed on a USB Drive]]